Engineering Tools
Browse all engineering calculator groups in one place and search the full engineering directory from this page.
Groups
12
Calculators
123
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Free Online
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Search across all engineering groups like mechanical, electrical, civil, fluid, thermal, structural, and more.
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Start with the most-used engineering tools from the top navigation menu.
Steel Weight
LiveCalculate steel section weight using size, length, and density.
Pipe Weight
LiveCalculate pipe weight from outside diameter, thickness, and length.
Plate Weight
LiveEstimate plate weight from size, thickness, and material density.
Torque Calculator
LiveCompute torque from force and lever arm distance.
Beam Load
LiveCalculate beam reactions and maximum bending moment.
Concrete Volume
LiveEstimate concrete quantity from dimensions and mix assumptions.
Flow Rate
LiveCalculate volumetric flow from velocity or pressure conditions.
Unit Converter
LiveConvert between common engineering length, mass, and area units.
Engineering groups
Jump directly to any calculator category and browse all tools grouped under it.
Mechanical
Weights, dimensions, fittings, torque, and fabrication calculators.
Aluminum Weight Calculator
LiveAluminum Weight Calculator for mechanical workflows.
Beam Weight Calculator
LiveBeam Weight Calculator for mechanical workflows.
Blasting Area Calculator
LiveBlasting Area Calculator for mechanical workflows.
Bolt Nut Weight Calculator
LiveBolt Nut Weight Calculator for mechanical workflows.
Box Volume Calculator
LiveBox Volume Calculator for mechanical workflows.
Branch Offset Calculator
LiveBranch Offset Calculator for mechanical workflows.
Circle Area Calculator
LiveCircle Area Calculator for mechanical workflows.
Cladding Area Calculator
LiveCladding Area Calculator for mechanical workflows.
Coating Quantity Calculator
LiveCoating Quantity Calculator for mechanical workflows.
Concentric Reducer Weight Calculator
LiveConcentric Reducer Weight Calculator for mechanical workflows.
Cylinder Volume Calculator
LiveCylinder Volume Calculator for mechanical workflows.
Diameter
LiveDiameter for mechanical workflows.
Diameter Calculator
LiveDiameter Calculator for mechanical workflows.
Eccentric Reducer Weight Calculator
LiveEccentric Reducer Weight Calculator for mechanical workflows.
Elbow 45 Weight Calculator
LiveElbow 45 Weight Calculator for mechanical workflows.
Elbow 90 Weight Calculator
LiveElbow 90 Weight Calculator for mechanical workflows.
Elbow Long Radius Surface Area Calculator
LiveElbow Long Radius Surface Area Calculator for mechanical workflows.
Elbow Short Radius Surface Area Calculator
LiveElbow Short Radius Surface Area Calculator for mechanical workflows.
Elbow Volume Calculator
LiveElbow Volume Calculator for mechanical workflows.
Elbows Surface Area
LiveElbows Surface Area for mechanical workflows.
Elbows Weight
LiveElbows Weight for mechanical workflows.
Equal Tee Weight Calculator
LiveEqual Tee Weight Calculator for mechanical workflows.
Flange Facing Area Calculator
LiveFlange Facing Area Calculator for mechanical workflows.
Flange Paint Area Calculator
LiveFlange Paint Area Calculator for mechanical workflows.
Flange Weight Calculator
LiveFlange Weight Calculator for mechanical workflows.
Force Calculator
LiveForce Calculator for mechanical workflows.
Gear Ratio Calculator
LiveGear Ratio Calculator for mechanical workflows.
Hole Drill Size Calculator
LiveHole Drill Size Calculator for mechanical workflows.
Hollow Pipe Volume Calculator
LiveHollow Pipe Volume Calculator for mechanical workflows.
Insulation Volume Calculator
LiveInsulation Volume Calculator for mechanical workflows.
Mitre Bend Calculator
LiveMitre Bend Calculator for mechanical workflows.
Momentum Calculator
LiveMomentum Calculator for mechanical workflows.
Paint Coverage Calculator
LivePaint Coverage Calculator for mechanical workflows.
Pipe Cap Surface Area Calculator
LivePipe Cap Surface Area Calculator for mechanical workflows.
Pipe Cap Weight Calculator
LivePipe Cap Weight Calculator for mechanical workflows.
Pipe Development Length Calculator
LivePipe Development Length Calculator for mechanical workflows.
Pipe Empty Vs Water Filled Weight
LivePipe Empty Vs Water Filled Weight for mechanical workflows.
Pipe Inner Outer Diameter Calculator
LivePipe Inner Outer Diameter Calculator for mechanical workflows.
Pipe Insulation Area Calculator
LivePipe Insulation Area Calculator for mechanical workflows.
Pipe Paint Quantity Calculator
LivePipe Paint Quantity Calculator for mechanical workflows.
Pipe Surface Area Calculator
LivePipe Surface Area Calculator for mechanical workflows.
Potential Energy Calculator
LivePotential Energy Calculator for mechanical workflows.
Power Transmission Calculator
LivePower Transmission Calculator for mechanical workflows.
Pulley Ratio Calculator
LivePulley Ratio Calculator for mechanical workflows.
Reducer Surface Area Calculator
LiveReducer Surface Area Calculator for mechanical workflows.
Reducing Tee Weight Calculator
LiveReducing Tee Weight Calculator for mechanical workflows.
Rolling Length Calculator
LiveRolling Length Calculator for mechanical workflows.
Rpm To Torque Calculator
LiveRpm To Torque Calculator for mechanical workflows.
Shaft Diameter Calculator
LiveShaft Diameter Calculator for mechanical workflows.
Stress Calculator
LiveStress Calculator for mechanical workflows.
Tank Volume Calculator
LiveTank Volume Calculator for mechanical workflows.
Tee Surface Area Calculator
LiveTee Surface Area Calculator for mechanical workflows.
Valve Face To Face Calculator
LiveValve Face To Face Calculator for mechanical workflows.
Valve Weight Estimator
LiveValve Weight Estimator for mechanical workflows.
Structural
Beam, load, moment, and structural analysis calculators.
Bending Moment Calculator
LiveBending Moment Calculator for structural workflows.
Cantilever Beam Calculator
LiveCantilever Beam Calculator for structural workflows.
Concrete Volume Calculator
LiveConcrete Volume Calculator for structural workflows.
Factor Of Safety Calculator
LiveFactor Of Safety Calculator for structural workflows.
Point Load Calculator
LivePoint Load Calculator for structural workflows.
Simply Supported Beam
LiveSimply Supported Beam for structural workflows.
Simply Supported Beam Calculator
LiveSimply Supported Beam Calculator for structural workflows.
Strain Calculator
LiveStrain Calculator for structural workflows.
Udl Calculator
LiveUdl Calculator for structural workflows.
Young S Modulus Calculator
LiveYoung S Modulus Calculator for structural workflows.
Electrical
Power, resistance, voltage drop, and circuit calculators.
Ac Power Calculator
LiveAc Power Calculator for electrical workflows.
Battery Life Calculator
LiveBattery Life Calculator for electrical workflows.
Capacitor Charge Calculator
LiveCapacitor Charge Calculator for electrical workflows.
Dc Power Calculator
LiveDc Power Calculator for electrical workflows.
Efficiency Calculator
LiveEfficiency Calculator for electrical workflows.
Inductor Reactance Calculator
LiveInductor Reactance Calculator for electrical workflows.
Parallel Resistance Calculator
LiveParallel Resistance Calculator for electrical workflows.
Power Calculator
LivePower Calculator for electrical workflows.
Series Resistance Calculator
LiveSeries Resistance Calculator for electrical workflows.
Voltage Drop Calculator
LiveVoltage Drop Calculator for electrical workflows.
Civil
Concrete, slab, column, road, and quantity estimation tools.
Asphalt Quantity Calculator
LiveAsphalt Quantity Calculator for civil workflows.
Brick Quantity Calculator
LiveBrick Quantity Calculator for civil workflows.
Cement Sand Aggregate Ratio Calculator
LiveCement Sand Aggregate Ratio Calculator for civil workflows.
Column Load Calculator
LiveColumn Load Calculator for civil workflows.
Earthwork Volume Calculator
LiveEarthwork Volume Calculator for civil workflows.
Plastering Calculator
LivePlastering Calculator for civil workflows.
Reinforcement Steel Estimator
LiveReinforcement Steel Estimator for civil workflows.
Road Material Calculator
LiveRoad Material Calculator for civil workflows.
Slab Load Calculator
LiveSlab Load Calculator for civil workflows.
Fluid
Flow, Reynolds number, pump power, and drain time calculators.
Bernoulli Equation Calculator
LiveBernoulli Equation Calculator for fluid workflows.
Pipe Flow Rate Calculator
LivePipe Flow Rate Calculator for fluid workflows.
Pressure Drop Calculator
LivePressure Drop Calculator for fluid workflows.
Pump Power Calculator
LivePump Power Calculator for fluid workflows.
Reynolds Number Calculator
LiveReynolds Number Calculator for fluid workflows.
Tank Drain Time Calculator
LiveTank Drain Time Calculator for fluid workflows.
Thermal
Heat transfer, expansion, capacity, and heat loss calculators.
Conduction Convection Calculator
LiveConduction Convection Calculator for thermal workflows.
Heat Capacity Calculator
LiveHeat Capacity Calculator for thermal workflows.
Heat Loss Calculator
LiveHeat Loss Calculator for thermal workflows.
Heat Transfer Calculator
LiveHeat Transfer Calculator for thermal workflows.
Thermal Expansion Calculator
LiveThermal Expansion Calculator for thermal workflows.
Manufacturing
Production rate, cycle time, feed rate, and machining tools.
Cutting Speed Calculator
LiveCutting Speed Calculator for manufacturing workflows.
Cycle Time Calculator
LiveCycle Time Calculator for manufacturing workflows.
Feed Rate Calculator
LiveFeed Rate Calculator for manufacturing workflows.
Machine Efficiency Calculator
LiveMachine Efficiency Calculator for manufacturing workflows.
Machining Time Calculator
LiveMachining Time Calculator for manufacturing workflows.
Production Rate Calculator
LiveProduction Rate Calculator for manufacturing workflows.
Mathematics
Geometry, algebra, trigonometry, and equation solvers.
Midpoint Calculator
LiveMidpoint Calculator for mathematics workflows.
Pythagoras Theorem Calculator
LivePythagoras Theorem Calculator for mathematics workflows.
Quadratic Equation Solver
LiveQuadratic Equation Solver for mathematics workflows.
Slope Calculator
LiveSlope Calculator for mathematics workflows.
Triangle Calculator
LiveTriangle Calculator for mathematics workflows.
Trigonometry Calculator
LiveTrigonometry Calculator for mathematics workflows.
Power Systems
Transformer, load, and power factor calculations.
Energy Consumption Calculator
LiveEnergy Consumption Calculator for power systems workflows.
Fault Current Calculator
LiveFault Current Calculator for power systems workflows.
Load Calculation Tool
LiveLoad Calculation Tool for power systems workflows.
Power Factor Calculator
LivePower Factor Calculator for power systems workflows.
Transformer Efficiency Calculator
LiveTransformer Efficiency Calculator for power systems workflows.
Process
Pipeline and hydrotest planning calculators.
Utilities
Time, temperature, notation, and conversion calculators.
Density Converter
LiveDensity Converter for utilities workflows.
Engineering Notation Converter
LiveEngineering Notation Converter for utilities workflows.
Scientific Calculator
LiveScientific Calculator for utilities workflows.
Temperature Converter
LiveTemperature Converter for utilities workflows.
Time Calculator
LiveTime Calculator for utilities workflows.
Advanced
Physics and engineering formula calculators.
Force Calculator F Ma
LiveForce Calculator F Ma for advanced workflows.
Kinetic Energy Calculator
LiveKinetic Energy Calculator for advanced workflows.
Momentum Calculator
LiveMomentum Calculator for advanced workflows.
Potential Energy Calculator
LivePotential Energy Calculator for advanced workflows.
Pressure Calculator
LivePressure Calculator for advanced workflows.
